GW Instek GCP-206P, User Manual

Page 1: ...Current Probe and Power Supply USER MANUAL GW INSTEK PART NO 82CP 425P0M01 ISO 9001 CERTIFIED MANUFACTURER ...

Page 2: ...her language without prior written consent of Good Will Corporation The information in this manual was correct at the time of printing However Good Will continues to improve its products and therefore reserves the right to change the specifications equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng City Taipei County 236 Taiwan ...

Page 3: ... for Measurement Current Probe 20 Demagnetizing and Zero Adjustment 22 Measurement Procedure Current Probe 24 Preparations Power supply 30 Measurement Procedure Power supply 31 APPENDIX 32 Fuse Replacement for GCP 206P only 32 Change the power supply voltage setting 34 Current Probe Specifications 35 Model specific specifications 35 Common specifications for GCP 530 and GCP 1030 36 Power Supply Sp...

Page 4: ...TABLE OF CONTENTS 4 ...

Page 5: ...he user should refer to a corresponding topic in the manual marked with the symbol before using the relevant function In the manual the symbol indicates particularly important information that the user should read before using the device Indicates that application around or removal from live lines is only permitted on condition that the lines are insulated Indicates a grounding terminal Indicates ...

Page 6: ...o the user or damage to the device NOTE Indicates advisory items related to performance or correct operation of the device Measurement categories EN 61010 1 2001 specifies the measurement categories and their requirements as follows The device falls under category I Measurement category IV is for measurement performed at the source of a low voltage installation Measurement category III is for meas...

Page 7: ...ing hazards never attach the GCP 530 or GCP 1030 to a circuit that operates at more than 300V or over bare conductors When conductors being measured carry in excess of the safe voltage level SELV E and not more than 300 V to prevent short circuits and electric shock while the core section is open make sure that conductors to be measured are insulated with material conforming to 1 Measurement Categ...

Page 8: ...n construction Make sure that the waveform measuring equipment connected to this device s output terminal BNC is equipped with a protective earthing with double insulation construction If the waveform measuring instrument being connected to the output terminal BNC on this device is equipped with any other measurement terminals take the following precautions to ensure that the other instrument does...

Page 9: ...10 031 IEC61010 2 032 Be sure to observe all operating precautions for the waveform monitoring instrument oscilloscope or recorder and other measurement instruments to which this device is connected When using a measurement instrument that does not provide isolation between its input terminals and chassis or other input terminals please pay attention to the following points If a signal is applied ...

Page 10: ... transporting and handling Be especially careful to avoid physical shock from dropping This device should be installed and operated indoors only between 0 and 40 C 32 to 104 F and 80 RH or less Do not store or use the device where it could be exposed to direct sunlight high temperature or humidity or condensation Under such conditions the device may be damaged and insulation may deteriorate so tha...

Page 11: ...ened with water or mild detergent Never use solvents such as benzene alcohol acetone ether ketones thinners or gasoline as they can deform and discolor the case When the power is on keep the core section of the sensor closed except when clamping them onto the conductor to be measured The facing surface of the core section can be scratched while it is open Keep the clamp jaws and core slits free fr...

Page 12: ...ear transformers and high current conductors or in the presence of strong electromagnetic fields such as near radio transmitters When sending the device for repair carefully to prevent damage in transit Include cushioning material so the instrument cannot move within the package Be sure to include details of the problem ...

Page 13: ...nd by clamping on a conductor to be measured allows the current waveform to be easily captured Features Highly accurate current detection Easy current measurement Broadband frequency characteristics DC to 50 MHz for GCP 530 Broadband frequency characteristics DC to 100 MHz for GCP 1030 Compact and permits measurement of low current levels Easy protect function at excessive input ...

Page 14: ...GCP Series User Manual 14 Names of Parts Current Probe External view ...

Page 15: ...ays carry out demagnetizing before measurement The demagnetizing process takes about one second During demagnetizing a demagnetizing waveform is output Zero adjustment dial ZERO ADJ Use the zero adjustment dial to correct for the effect of a voltage offset or temperature drift on the device When beginning measurement after demagnetizing always carry out zero adjustment Coarse adjustment trimmer Us...

Page 16: ...e is terminated internally Use a high impedance input to the measuring instrument With an input impedance of 50Ω accurate measurement is not possible If using BNC banana plug adapters or similar to connect to input terminals other than BNC connectors make sure the polarity is correct Turn the collar until it clicks and check that it is locked securely ...

Page 17: ...OVERVIEW 17 Names of Parts Power supply Front view Power indicator Power supply receptacles Power indicator Power supply receptacles GCP 425P Rear View GCP 425P ...

Page 18: ...GCP Series User Manual 18 Front view GCP 206P Rear View GCP 206P ...

Page 19: ...OVERVIEW 19 Power Supply Receptacle ...

Page 20: ...voltage of the power supply being used matches the supply voltage indicated on the rear panel of the GCP 206P or GCP 425P NOTE The output of this device is terminated internally Use a high impedance input to the measuring instrument With an input impedance of 50Ω accurate measurement is not possible 2 Turn the power switch off and connect the power cord 3 Connect the power plug of the GCP 530 or G...

Page 21: ...OVERVIEW 21 4 Turn the GCP 206P or GCP 425P power switch ...

Page 22: ...P 1030 to the input connector of the waveform measurement instrument Turn the collar until it clicks and check that it is locked securely CAUTION When disconnecting the output connector be sure to release the lock before pulling off the connector Forcibly pulling the connector without releasing the lock or pulling on the cable can damage the terminator If using BNC banana plug adapters or similar ...

Page 23: ...emagnetized waveforms are generated when supplying electric power 4 Without clamping the conductor to be measured press the opening lever until the UNLOCK indication disappears and check that the sensor head is properly closed 5 Press the demagnetizing switch DEMAG on the terminator 6 Turn the zero adjustment dial on the terminator to adjust the trace to the zero position 7 If zero adjustment is n...

Page 24: ...ver so that the sensor head opens 3 Align the sensor so that the current direction indication corresponds to the direction of current flow through the conductor to be measured and clamp so that the conductor is in the center of the sensor aperture 4 Press the opening lever on the sensor head until the UNLOCK indication disappears and check that the opening lever is firmly locked and the sensor hea...

Page 25: ... 530 or GCP 1030 note that two current probes may not be used simultaneously with the GCP 425P POWER SUPPLY depending on the current to be measured The current consumption of current probes depends on the current to be measured Confirm that the total current consumption of the current probes do not exceed the rated output current of the GCP 425P See Fig 1 Fig 1 600 500 400 300 200 100 0 AC f 50Hz ...

Page 26: ...ng operation Even if the input current does not exceed the rated continuous maximum continuous input for an extended period of time may result in activation of the safety circuit to prevent damage resulting from heating of the sensor At high ambient temperatures the built in safety circuit may activate at current input levels below the rated continuous maximum Continuous input of current exceeding...

Page 27: ...m current electric currents in both sides will heat up the wires and raise the temperature thereby causing damage to the sensor When opening the sensor head of the probe be sure to operate with the opening lever If an upper core is forced to open when the sensor head is locked the open close mechanism can be damaged NOTE The output of this device is terminated internally Use a waveform measurement...

Page 28: ...his does not indicate a malfunction Oscillation can be stopped and operation restored to normal by opening and closing the sensor head Depending on the measured current frequency however some sound may be produced by resonance it has no effect on measurement The measurement may be affected by the position within the clamp aperture of the conductor being measured The conductor should be in the cent...

Page 29: ...ncy range of the waveform measuring instrument or clamp onto the low voltage side of the circuit as appropriate Accurate measurement may be impossible in locations subject to strong external magnetic fields such as transformers and high current conductors or in locations subject to strong external electric fields such as radio transmission equipment ...

Page 30: ...ection to an improper supply voltage may damage the device and present an electrical hazard DANGER To avoid accidents when using other measurement devices with this one observe the usage precautions described for each device To avoid electric shock or damage when connecting the current probe to a measurement device that does not have its input terminals isolated from the chassis or to an device th...

Page 31: ...f the GCP 425P See Fig 1 on page 25 When using the GCP 425P with Model GCP 530 or GCP 1030 Current Probe in general only one current probe may be connected However depending on the current level of the object under test two current probes may be connected simultaneously The current consumption of a current probe is dependent upon the current level of the object under test ...

Page 32: ...are housed in the power input socket on the rear panel Fuse Replacement for GCP 206P only Procedure 1 Turn the power switch off and then disconnect the power cord 2 Using a flat screwdriver pry the catch which holds the fuse holder into the power input socket as shown in the figure and then remove the fuse holder ...

Page 33: ...PPENDIX 33 3 Remove the fuse on the fuse holder and replace with a new one of the same rating and specification 4 Insert the fuse holder back into the power input socket to finish the replacement of fuse ...

Page 34: ...page 32 2 Remove the voltage selector from the fuse holder rotate it to the desired supply voltage value and then insert back into the fuse holder The voltage vaule will appear in the voltage window Check the setting value again 3 Insert the fuse holder back into the power input socket to finish setting the supply voltage setting ...

Page 35: ...dB Characteristics shown in Fig 2A DC to 100 MHz 3 dB Characteristics shown in Fig 2B Rise time 7 ns or less 3 5 ns or less Maximum rated power 5 6 VA 5 3 VA Weight Approx 230g 8 1oz Approx 240g 8 5oz Accessories Instruction manual Soft case Instruction manual Carrying case Fig 2A Frequency characteristics Typical characteristics Amplitude dB 0dB 1V Fig 2B Frequency characteristics Typical charact...

Page 36: ...lent to 2 5 mArms or less for 20 MHz band measuring instrument Input Impedance Characteristics shown in Fig 4A and 4B Temperature Coefficient for Sensitivity 2 or less During input of 50 Hz 30 Arms within range of 0 to 40 C 32 to104 F Storage Temperature and Humidity Range 10 to 50 C 14 to 122 F 80 RH or less no condensation Location for Use Indoor altitude up to 2000 m 6562 feet Effect of Externa...

Page 37: ...pprox 6 89 W 0 71 H 1 58 D excluding protrusions Terminator Approx 55 W 27 H 18 D mm Approx 2 17 H 1 06 W 0 71 D Fig 3 Derating according to frequency For GCP 530 30 20 10 0 10 100 1k 10k 100k 1M 10M 100M Frequency Hz Fig 3 Derating according to frequency For GCP 1030 ...

Page 38: ...GCP Series User Manual 38 Fig 4 Input impedance For GCP 530 Frequency Hz Inpu t inpedance Ω 1m 10m 100m 1 10 100 1k 10k 100k 1M 10M 100M Fig 4 Input impedance For GC P 1030 ...

Page 39: ... to 600 mA Maximum rated power 170 VA 20 VA Dimensions Approx 80W 119H 200D mm 3 15 W 4 69 H 7 87 D Approx 73W x 110H x 186D mm 2 87 W x 4 33 H x 7 32 D Weight Approx 1 2 kg 42 3 oz Approx 1 1 kg 38 8 oz Accessories Instruction Manual Power cord Power cord Instruction manual Spare fuse F1 0 AL 250 V 20 mm x 5 mm dia for 100 V and 120 V models or F0 5 AL 250 V 20 mm x 5 mm dia for 220 V and 240 V m...

Page 40: ...emperature influence Within output voltage limits indicated above for ambient temperature in the range 0 to 40 C 32 to 104 F Operating tempera ture and humidity range 0 to 40 C 32 to 104 F 80 RH or less no condensation Storage temperature and humidity range 10 to 50 C 14 to 122 F 80 RH or less no condensation Location for use Standards applying Indoor altitude up to 2000 m 6562 feet ...